{"id":37607,"date":"2019-10-18T03:30:29","date_gmt":"2019-10-18T00:30:29","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=37607"},"modified":"2019-10-18T07:29:17","modified_gmt":"2019-10-18T04:29:17","slug":"yeni-calismaya-gore-bazi-otegezegenler-dunyaya-benziyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/10\/18\/yeni-calismaya-gore-bazi-otegezegenler-dunyaya-benziyor","title":{"rendered":"Yeni \u00e7al\u0131\u015fmaya g\u00f6re baz\u0131 \u00f6tegezegenler, D\u00fcnya&#8217;ya benziyor"},"content":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar, baz\u0131 \u00f6tegezegenlerin fiziksel ve kimyasal yap\u0131lar\u0131n\u0131n D\u00fcnya\u2019ya benzedi\u011fini ke\u015ffetti.<\/p>\n<p>California \u00dcniversitesi&#8217;nden Alexandra Doyle taraf\u0131ndan y\u00f6netilen bir ekip, asteroitler veya mini gezegenlerin y\u00f6r\u00fcngeden d\u00fc\u015fen y\u0131ld\u0131zlar\u0131n\u0131n atmosferini analiz ettikten sonra bu bulguya ula\u015ft\u0131.<\/p>\n<p>Beyaz C\u00fcceler olarak bilinen bu \u00f6l\u00fc y\u0131ld\u0131zlar, ya\u015flanan y\u0131ld\u0131zlar\u0131n hidrojen bak\u0131m\u0131ndan zengin d\u0131\u015f tabakalar\u0131ndan ayr\u0131lmas\u0131n\u0131n ard\u0131ndan geriye kalan \u00e7ekirdeklerdir. B\u00f6ylelikle elde edilen sonu\u00e7, G\u00fcne\u015f k\u00fctlesinin yakla\u015f\u0131k yar\u0131s\u0131 kadar bir v\u00fccut ve kabaca D\u00fcnya&#8217;n\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fcnde bir g\u00f6vdedir.<\/p>\n<p>Beyaz C\u00fcceler&#8217;in y\u00fczeyleri hidrojen ve helyum i\u00e7erir. Magnezyum, demir ve oksijen gibi daha a\u011f\u0131r elementler yer\u00e7ekimi ile merkeze do\u011fru \u00e7ekilir. Bununla birlikte, spektrografik analiz, yakla\u015f\u0131k 25.000 santigrat derece etkin bir s\u0131cakl\u0131\u011fa sahip c\u00fccelerin y\u00fczde 50&#8217;sinde bu elementlerin atmosferde izler olarak kald\u0131\u011f\u0131n\u0131 ortaya koymaktad\u0131r. Doyle ve arkada\u015flar\u0131, bu gezegenlerin olu\u015fumunda oksijenin etkisini de\u011ferlendirdiler.<\/p>\n<p>Bu anlamda oksitlenme derecesi, onlar\u0131 olu\u015fturan jeokimyasal i\u015flemlerin kilit bir g\u00f6stergesidir. Sonu\u00e7lar, G\u00fcne\u015f Sistemi&#8217;nin jeokimyas\u0131n\u0131n hi\u00e7bir \u015fekilde benzersiz olmad\u0131\u011f\u0131n\u0131 ve ger\u00e7ekten de evrende \u00e7ok yayg\u0131n olabilece\u011fini g\u00f6sterdi.<\/p>\n<p>Science dergisinde yay\u0131nlanan ara\u015ft\u0131rma i\u00e7in biliminsanlar\u0131 \u201cBizim verilerimiz, D\u00fcnya dahil olmak \u00fczere, G\u00fcne\u015f Sistemi&#8217;ndeki kayal\u0131k gezegenlerin jeofizik ve jeokimyasal olarak benzer olmas\u0131 gerekti\u011fini g\u00f6steriyor\u201d yorumunda bulunuyor.<\/p>\n<p><strong>Kaynak:<\/strong> https:\/\/cosmosmagazine.com\/space\/distant-exoplanets-not-so-different-to-earth<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar, baz\u0131 \u00f6tegezegenlerin fiziksel ve kimyasal yap\u0131lar\u0131n\u0131n D\u00fcnya\u2019ya benzedi\u011fini ke\u015ffetti. California \u00dcniversitesi&#8217;nden Alexandra Doyle taraf\u0131ndan y\u00f6netilen bir ekip, asteroitler veya mini gezegenlerin y\u00f6r\u00fcngeden d\u00fc\u015fen y\u0131ld\u0131zlar\u0131n\u0131n atmosferini analiz ettikten sonra bu bulguya ula\u015ft\u0131. Beyaz C\u00fcceler olarak bilinen bu \u00f6l\u00fc y\u0131ld\u0131zlar, ya\u015flanan y\u0131ld\u0131zlar\u0131n hidrojen bak\u0131m\u0131ndan zengin d\u0131\u015f tabakalar\u0131ndan ayr\u0131lmas\u0131n\u0131n ard\u0131ndan geriye kalan \u00e7ekirdeklerdir. B\u00f6ylelikle elde edilen sonu\u00e7, [&hellip;]<\/p>\n","protected":false},"author":1390,"featured_media":37611,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[274,297,1127,3282],"class_list":["post-37607","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-dunya","tag-gunes-sistemi","tag-oksijen","tag-otegezegen"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/37607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1390"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=37607"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/37607\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/37611"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=37607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=37607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=37607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}